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Change frder ►2 <br /> Louisville Wastewater Treatment Plant <br /> JIiSTIFICATION: <br /> 1. Delete sloped grant cap on clarifier floor; approved alternate <br /> - - manufacturer does not require sloped floor. .$ 1,957.00 <br /> 2. Increase floor thickness of aeration/clarifier basin 1 inch; <br /> recommended by Engineer based on field conditions. $ 5,407.00 <br /> 3. Furnish and install additional reber dowels in chlorine contact <br /> basin (omitted from construction drawings; identified on shop <br /> drawings). $ 275.00 <br /> 4. Furnish and install 24 inch - 90' bend in fabricated steel versus <br /> ductile iron; recommended by Engineer based on field conditions. $ 750.00 <br /> S. Delete three aeration/clarifier basin interconnect valves; <br /> not required. .5 750.00 <br /> 6. Sandblast and hand trowel lower level pump room wall to be <br /> exposed which had previously been damproofed and backfilled. S 1,350.00 <br /> 7. Relocate existing 6 inch scums piping as required to complete <br /> facility due to interference with existing pipes. $ 1,050.00 <br /> 8. Furnish and install larger aeration building addition to <br /> accommmolate future electrical/mechanical installations; 160ft2 <br /> ($36/ft ) requested by Owner. S 5,755.00 <br /> 9. Remove and haul existing 21 inch RCP treated effluent pipe that <br /> interferes with installation of new 24 inch PVC treated effluent; <br /> 75 L.F. • $10.00/ft. $ 750.00 <br /> 10. Delete bituminous damproofing from exterior face of aeration <br /> basin wall. - S 2,635.00 <br /> 11. Increase height of aeration and office/laboratory exterior <br /> masonry walls to match height of existing facilities. (Omitted <br /> from construction drawings; identified on shop drawings) $ 3,776.00 <br /> 12. Increase masonry wall thickness on north wall of aeration <br /> building and south wall of office/lab building to delete off. <br /> set at existing building. $ 850.00 <br /> 13. Increase height of sludge conveyor equipment to provide <br /> additional vertical clearance. S 650.00 <br /> The amount of the Contract will be (increased) by the sum of $15 2771 .00; <br /> S Fifteen Thousand Two Hundred Seven( One and no/100 Dollars, <br /> The Contract Total including this and previous change orders will be: <br /> $2,240.778.00; $Two Million Two Hundred Forty Thousand Seven Hundred Seventy <br /> eight and no/100 Dollars. The Contract Period provided for completion will be <br /> (unchanged). <br />